[PD] overdriven speaker
pimassat at gmail.com
Mon Oct 18 16:55:27 CEST 2010
This is getting interesting. I'm sorry, how did you do this with vd~?
2010/10/18 Mathieu Bouchard <matju at artengine.ca>
> On Sat, 16 Oct 2010, Martin Schied wrote:
> field) and also time variant (temperature) and modulation (doppler effect
>> / amplitude modulation) effects. I don't know which effects have a stronger
>> or weaker influence,
> for a sinewave, a peak of ±1 millimètre at 1 kiloHertz travels like
> y = 0.001*sin(2000πt) mètres
> dy/dt = 2π*cos(2000πt) mètres/seconde
> so, the peak speed is ±2π m/s while the speed of sound is roughly 343 m/s,
> thus the doppler effect would be ±1.83 %, creating a vibrato of ±32 cents,
> but this vibrato is so fast, that it actually sounds like something else,
> because it runs at the same frequency as the input signal.
> I tried it, and it sounds like related to waveshaping (although it's not).
> So maybe that's closer to what "fallen_devil" wants, because it has a quite
> richer sound than the usual [expr~ tanh($v1)].
> I did it using [vd~]. (I imagine that I will soon retry with a natural
> spline version of it...)
> | Mathieu Bouchard ------------------------------ Villeray, Montréal, QC
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